18-7c=4(9c-3)

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Solution for 18-7c=4(9c-3) equation:


Simplifying
18 + -7c = 4(9c + -3)

Reorder the terms:
18 + -7c = 4(-3 + 9c)
18 + -7c = (-3 * 4 + 9c * 4)
18 + -7c = (-12 + 36c)

Solving
18 + -7c = -12 + 36c

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-36c' to each side of the equation.
18 + -7c + -36c = -12 + 36c + -36c

Combine like terms: -7c + -36c = -43c
18 + -43c = -12 + 36c + -36c

Combine like terms: 36c + -36c = 0
18 + -43c = -12 + 0
18 + -43c = -12

Add '-18' to each side of the equation.
18 + -18 + -43c = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -43c = -12 + -18
-43c = -12 + -18

Combine like terms: -12 + -18 = -30
-43c = -30

Divide each side by '-43'.
c = 0.6976744186

Simplifying
c = 0.6976744186

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